Catalytic reforming process

Details Catalytic reforming process Catalytic reforming process

C - Chemistry, Metallurgy

10

G

196/186

C10G 59/02 (2006.01) B01J 23/656 (2006.01)

Patent

CA 1189813

ABSTRACT OF THE DISCLOSURE A process for improving the octane quality of a naphtha in a reforming unit comprised of a plurality of serially connected reactors, inclu- sive of a lead reactor, a tail reactor and optionally one or more reactors intermediate the lead reactor and the tail reactor, each of which contains a platinum-rhenium catalyst, the naphtha flowing in sequence from one reactor of the series to another and contacting the catalyst at reforming conditions in the presence of hydrogen, characterized by maintaining, in the tail reactor, a catalyst having a weight ratio of rhenium:platinum of at least about 1.5:1, and in the lead and intermediate reactors a catalyst having a weight ratio of rhenium:platinum of up to about 1:1. The beds of catalyst are contacted with a hydrocarbon or naphtha feed, and hydrogen, at reforming conditions to produce a hydrocarbon, or naphtha product of improved octane, and the product is withdrawn.

361782

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